DJI Action 2 vs DJI Osmo Action: What's Different?
Amazon.com : DJI Osmo Action 3 Biking Combo - 4K Action Camera for Cycling, Chest Strap Mount and a Handlebar Mount Included, 4K/120fps & Super-Wide FOV, HorizonSteady, 150 Mins, Quick-Release Vertical Mount :
DJI Osmo Action 4 just announced with 2.5hr battery life and a whole new sensor